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Finding the Fourth Proportional to 354,407.54, 489,094.22 and 193,271.41

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Solution

The fourth proportional to 354,407.54, 489,094.22 and 193,271.41 is: 266,720.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,407.54 : 489,094.22 = 193,271.41 : x
  2. Step 2: Convert to fraction form
    354,407.54/489,094.22 = 193,271.41/x
  3. Step 3: Cross multiply
    354,407.54x = 489,094.22 × 193,271.41
  4. Step 4: Simplify right side
    354,407.54x = 94,527,926,110.42
  5. Step 5: Solve for x
    x = 94,527,926,110.42/354,407.54
  6. Step 6: Final answer
    x = 266,720.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.